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v1.5.0 Release

Release Date 2025/03/25

SimWorks Finite Difference Solutions

  • Support for Linux Ubuntu x64 system.
  • FDTDSolver
    • Improve the computational speed of FDTD CUDA performance.
    • Fix the potential errors with dipole sources and TFSF sources during multi-GPU or MPI multi-process simulations.
    • Fix the issue where FDTD could not properly update the source field when the light source was exactly at the data exchange grid of the computing nodes using MPI multi-process and multi-GPU resources.
    • Fix the issue of simulation crashes when there are dispersive materials in the 3D FDTD source region.
    • Fix the issue where the simulation program would exit abnormally when the FDTD simulation time step was 0.
    • Fix the issue where the time monitor reported incorrect data at time 0 when performing 3D FDTD simulation using CPU resources.
    • Fix the issue where the sampling rate and bandwidth of the monitor ("base on source") were incorrect after checking "set simulation bandwidth" in FDTD.
    • Fix the issue where individual data might be missing in the simulation results after simulating certain projects.
    • Optimized the TFSF algorithm to improve the continuity of the TFSF boundary field under oblique incidence.
    • Fix the issue of simulation errors when the TFSF light source crosses periodic boundaries.
    • Fix the issue of inaccurate dipolepower values when simulating with GPU computational resources for the dipole light source.
    • Fix the issue of not being able to maintain the total field scattering field boundary when TFSF crosses Anti-Symmetric and Symmetric boundaries.
    • Fix the issue of errors in GPU simulation results for obliquely incident TFSF sources.
    • Fix the issue where the TFSF source bounding box parallel to the Z-axis could not run in MPI multi-process and multi-GPU resources when there were dispersive materials.
    • Fix the issue where the Z-axis reverse TFSF transmission field was incorrect when the structure crossed by the 2D FDTD TFSF did not pass through the center axis of the simulation area.
    • Fix the issue where the transmission field might be incorrect when simulating TFSF passing through multilayer structures.
  • UI
    • Fix the issue where Pointer Information displayed incorrectly in Composite Viewer when dragging 1D/2D Monitor.
    • Fix the issue of inaccurate time steps in FDTD time-domain field.
    • Fix the issue of inaccurate bounding box drawing range in the 2D FDTD solver.
    • Fix the issue where the position display of FDTD in the results outline showed errors after running the project.
  • Scripts
    • Add grating function to calculate the power fraction of each diffraction order in the given simulation.
    • Fix the issue where certain structures can get/set properties through get/set functions for parameters that do not exist in the property window.
    • Fix the issue where function parameters cannot be used as return values within custom functions.
    • Fix the issue where Cell sub-element data cannot be viewed within the Script workspace.
    • Fix the issue causing the software to crash when calling the readgraph function.
    • Optimize the performance of the selectall function and fixed the issue of it getting stuck when executing with many structures.
    • Fix the issue of failing to save variables in the Script Workspace of the analysis group when clicking Save as.
  • Structure
    • Optimize Linear Waveguide and Linear Taper structure parameters, remove the start and end parameters of the absolute coordinate attribute, and modify the structure to a horizontal layout.
    • Fix the issue where some geometric parameters of the Linear Taper and Linear Waveguide structures cannot be obtained through scripts.
    • Fix the issue of abnormal display of position coordinates for the Sphere structure.
    • Fix the issue where new objects do not appear in the object tree of the new project after copying and pasting some objects from one project to another.
    • Fix the issue of script execution exceptions caused by formula solving within the Equation structure.
    • Modifi the calculation method for structure drag points in 3D perspective, fixing the issue of inaccurate drag response.
    • Fix the issue of inconsistent default shape creation for the same structure in different planes.
    • Fix the issue where the number of Vertices in Photonic Crystal-Polygon was inconsistent with the drawing results.
    • Fix the issue where the index was incorrectly established when the vertices of the polygon structure were exactly on one of the axes.
    • Fix the issue where the drawing results of the Composite Viewer for structures created in the ZY plane were inconsistent with the values set in the properties window.
    • Fix the issue where the index was incorrectly established at the starting and ending positions of the Sidewall Bezier structure.
  • Mesh
    • Add Conformal variant VP-EP 0 for growing common grids of non-dispersive materials.
    • Optimiz the program flow to improve grid growth speed.
    • Optimiz the non-uniform grid growth process to enhance the stability and accuracy of grid growth.
    • Optimize 3D mesh data visualization, added drawing boundary data mesh.
    • Fix the issue of incorrect dx/dy/dz calculations appearing in results outline when the mesh type is uniform.
    • Fix the issue where the software would crash when canceling mesh generation.
    • Fix the error in finding the normal direction for stretching the Ring structure, leading to inaccurate conformal point establishment.
  • Source
    • Optimized the issue of excessive memory usage in multi-frequency light source simulation.
    • Fix the error in the sign setting of the defocus distance for tightly focused Gaussian beams, which caused incorrect calculations of the bottom surface field.
  • FDESolver
    • Fix the issue where the Automatically remove pml modes feature did not filter out the correct modes in certain cases.
  • Sweep
    • Fix the issue causing the Optimization software to crash during execution.
    • Fix the issue where the client had a chance to exit abnormally after the scan finished.

SimWorks Cloud Computing

  • User login changed to single sign-on method.

v1.4.2 Release

Release Date 2024/12/27

SimWorks Finite Difference Solutions

  • Structure
    • Fix the issue where the displayed values of Pos/Radius in the Sphere structure property editor do not match the actual values.
    • Fix the issue where the Start/End values do not update after the Sidewall Linear structure is dragged.
  • FDTDSolver
    • Fix the issue of simulation possibly diverging when the contact area between the light source and the dispersion material structure is large.

v1.4.1 Release

Release Date 2024/12/02

SimWorks Finite Difference Solutions

  • Scripts
    • Fix the software crash issue caused by calling the load function within the custom function.
    • Fix the issue of no output result for the str2num function.
    • Fix the issue with runanalysis, saveproject, and runjobs execution errors that interrupt the script.
    • Fix the issue where single-step debugging cannot enter the catch statement.
  • Structure
    Fix the abnormal drag response of Linear WaveGuide and Linear Taper under 2D fixed perspective.
  • Materials
    • Fix the simulation divergence issue caused by errors in the fitting stability conditions of the repair material.
    • Correct the convergence conditions of material fitting to improve the stability of the material.
    • Fix the issue where the fitting effect is poor near the peak of the fitted data for dispersive materials in certain bands.
  • FDTDSolver
    • Fix the issue of simulation errors when the TFSF light source boundary crosses dispersive materials.
  • Visualization
    • Fix the issue where the time-domain field map cannot be viewed after the 2D project simulation ends.
  • FDESolver
    • Fix the issue of some memory not being released in a timely manner during the solving process.

v1.4.0 Release

Release Date 2024/11/11

SimWorks Finite Difference Solutions

  • Optimize the read and write speed of the engineering files.
  • Fix the issue where deleting all layers when exporting the structure to a gds file causes the software to crash.
  • UI
    • Add the feature to set whether the drawing color palette follows theme changes.
    • Add Preferences settings, consolidating software configuration features.
    • Fix the issue where the software may crash after copying and pasting the components again.
    • Fix the issue where the Text type variable displayed incorrectly when reopening the analysis group editing window after closing it.
  • Scripts
    • Add script debugging feature, supporting breakpoint setting and line-by-line execution.
    • Fix the issue where Chinese input method can be used in read-only mode of the script editor.
    • Fix the issue where the override y-axis mesh changes using scripts do not take effect on the mesh structure.
    • Fix the issue where the software may crash after assigning values to a cell and then running clearall.
    • Fix the issue of incorrect error messages when assigning values to cells in the dataset.
    • Fix the issue where the script function getsourcenorm(lambda, 'source_name') returns inaccurate data during multi-light source simulation.
    • Fix the issue where the script function getsourcenorm(lambda) returns all zeros when the project settings are set to No normalization.
    • Fix the issue where the 2D structure cannot set custom film materials and the issue where the 3D structure allows setting film materials.
    • Fix the issue where the input parameter unit of the addvertex function is not in SI units.
    • Fix the issue with the set function incorrectly assigning values to the frequency attribute in the monitor.
    • Fix the software crash issue when obtaining function return values through a list in a recursive function.
    • Fix the issue that causes the software to crash when an unknown variable appears in the definition of a multi-line cell.
    • Fix the syntax rules, disallow the character ? in variable names, and disallow the character ? as a statement separator.
  • Structure
    • Fix the issue of incorrect index creation for the equation structure.
    • Fix the issue of incorrect index creation in the 2D structure part, which caused the mode source to be unable to resolve the correct mode.
    • Fix the issue where some settings for elements in the Photonic Crystal do not take effect.
  • Materials
    • Optimize the fitting of dispersion materials by relaxing stability conditions to improve fitting accuracy.
    • Fix the issue of single-wavelength fitting failure for dispersive materials.
  • Source
    • The Gaussian beam adds the use of thin lens function, which is based on the Debye-Wolf diffraction integral for solving the electric field of tightly focused Gaussian beams.
    • Fix the issue where the offset value of the time-domain wideband pulse during light source settings affects the pulse amplitude.
    • Fix the issue of inaccurate source power calculation when the offset setting for the standard pulse of the light source is too small.
    • Fix the issue of injection field error when the mode source injection direction is along the y-axis.
  • Mesh
    • Fix the issue where setting Semi-auto nonuniform can cause the software to crash in certain situations.
    • Fix the issue where the index is incorrectly established at the edge of the ellipse sector structure when using the VEP grid.
    • Fix the issue of inaccurate index establishment caused by errors in the sidewall structure subgrid division when using the VPE grid.
  • Visualization
    • Add FDTD time-domain field support vector arrow visualization feature.
    • The data visualization drawing interface is adapted to a dark theme.
  • ModeSolver
    • Modify the solution scheme for the bending waveguide mode from the equivalent refractive index method to the local cylindrical coordinate method.

SimWork Cloud Computing

  • The cloud computing resource window has a new refresh button that can refresh the current cloud computing resource list.
  • The new feature of the cloud computing resource list will set temporarily unavailable resources to a disabled status.
  • Fix the issue of not being able to view the time-domain field map after the simulation ends.
  • Fix the issue where the project file may be incomplete after uploading the full-size project file for simulation.
  • Fix the issue of being unable to perform mode resolution for Port of monitor type.

SimWorks Cloud Workbench

  • Add a marketing activity advertisement bar at the top of the new camp page.
  • New payment settings, supporting automatic payments.
  • Add two-step verification to enhance user account security.
  • Support user account binding to email.

v1.3.1 Release

Release Date 2024/08/28

SimWorks Finite Difference Solutions

  • Scripts

    • Fix the problem that using scripts, not able to unmold.
    • Fix the problem that when loading project with equation, the software can't respond normally.

  • Source

    • Fix the problem that when the light source amplitude is not 1, sourcepower calculation error.

  • UI

    • Support to use the custom picture as the background scene.
    • Fix the problem that the title bar under Windows system can not be adapted to the dark color theme of the system.

v1.3.0 Release

Release Date 2024/08/23

SimWorks Finite Difference Solutions:

  • Add the feature to support the touchpad control in 3D composite viewer.

  • Add dark theme for GUI.

  • Add FDTD real-time display with time-sampling support.

  • Optimize the preview function of simulation memory estimation to predict memory required by tasks (FDTD and FDE) more accurately.

  • Optimize the speed of model building by importing GDS file.

  • Structure

    • Fix Photonic Crystal construction and design logic problems.

  • Source

    • Add the function of switching the pulse type of a light source in time domain.
    • Optimize FDTD TFSF Source to improve the continuity of the boundary field.
    • Optimize the calculation process of multi-frequency sources to reduce memory consumption.
    • Fix the problem that FDTD fails in second-order nonlinear material waveguides with mode sources.
    • Fix the problem that the data of tilt mode does not correspond to the coordinates in the mode-solving.
    • Fix the problem of inaccurate multi-frequency source when it is backward propagated.
    • Fix the problem of incorrect default parameter settings for light source with the circular polarization or elliptical polarization.

  • Mesh

    • Optimize the VPEP normal finding process to solve the problem of inaccurate normal finding for some structures.
    • Fix the problem of error in establishing some material points under VEP for tensile structures.

  • Materials

    • Fix the problem of RMS error calculation error in material model.

  • FDTD algorithm

    • Fix an issue where the simulation process may go wrong when the simulation time is extremely short.
    • Fix a problem with the Auto Shutoff function during simulation.
    • Fix the problem of using Bloch boundary simulation when the light source transmits in the Y-axis direction.
    • Fix the problem of inaccurate sourcepower calculation when the monitor band is larger than the light source band.
    • Fix the problem of project crash when the thickness of sampled 2D data is set to 0.

  • UI

    • Add the ability to modify the extent of a structure based on the view size when adding a structure to the scene.
    • Fix the problem that some operations cause the software to exit abnormally.
    • Fix View the current mesh data releated issue.
    • Fix the problem that the polarization diagram light sources is wrongly drawn.
    • Fix the problem that the surface conductance of some 2D materials is displayed incorrectly under TE polarization.
    • Fix the problem of inconsistency between the unit displayed on the page and the global physical unit for some 2D materials.

  • Scripts

    • Add script command addphotoniccrystal.
    • Fix the problem that the software may abnormally exit when assigning values to cells.
    • Fix the problem that some script functions cannot be used when the installation path of the software contains Chinese characters.
    • Optimize the memory usage of farfieldeql2d function.

  • ModeSolver

    • Add the function to select the type of fundamental modes in mode source: fundamental mode, fundamental te mode and fundamental tm mode.
    • Fix the problem that the wrong ordering of eigenvalues leads to the intensity error of mode field calculation.
    • Fix the problem that 2D mode solver cannot solve the modes normally under some boundary condition combinations.

SimWork Cloud Computing

  • Add status display of download speed and remaining time in Cloud computing tasks.
  • Add automatic update check when software has new version.
  • Fix the problem that import source can not import data properly in cloud computing.
  • Fix the issue that cloud computing causes anomalies in engineering result data

SimWorks Cloud Workbench

  • Add marketing activity.
  • Add Notification.
  • Fix the issue where the user was not guided to pay when the simulation task was forcibly terminated.

v1.2.0 Release

Release Date 2024/06/07

SimWorks Finite Difference Solutions

  • Optimize multi-frequency function and cancel the restriction that the number of multi-frequency points is at least 5

  • Optimize the error message when using script to run the simulations

  • Fix the software crash caused by the composite viewer camera error

  • Optimize the auto-shutoff method to improve accuracy

  • Optimize FDTD time-evolution diagram and support package downloading

  • Add the time selection option in the Cloud storage

  • Add the function to delete files in historical tasks

  • Solve some software crash issues

  • Support Ribbon layout in the main interface.

  • Optimize the handling of the abnormal issues in the Cloud computing.

  • Fix the visualization errors for some data.

  • Add the address for a custom private cloud server

  • Optimize the processes of cloud computing

  • Add mouse cursor to display object icon to prompt the user when adding an object to the scene

  • Provide new script functions:

    • getsourcelist
    • gratingorder, gratingperiod, gratingu, gratingordercount
    • farfieldas, farfieldpolar, farfield2dintegrate

  • FDTDSolver:

    • Fix the issue of inaccurate injected fields in multi-frequency sources
    • Fix the calculation exception under some special cases in conformal mesh
    • Fix the errors of data-saving in the time monitor of the complex FDTD
    • Optimize the preview in the Index monitor
    • Fix the crash caused by VPEP conformal mesh for some special structures.
    • Improve the accuracy of VPEP conformal mesh and fix the issue of conformal mesh on some special positions of Yee grids
    • Fix the issues that TFSF can't work well in some cases.
    • Fix the source spectrum issue of the broadband pulse
    • Fix the source spectrum issue in the complex-field FDTD simulation
    • Enhance the accuracy of injected power of the incident oblique source

SimWorks Cloud Workbench:

  • Increase the settings for Cloud storage
  • Add the invoice application
  • Support the international cellphone number in the account center
  • Brand new payment method: calculate the task bill first and then scan the QR code to pay.
  • Add payment method settings in the personal center.
  • Streamline the processes of cloud computing
  • Improve error code prompts
  • Optimize the workbench interface
  • Add WeChat payment
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